Fire detector



FIG. 1 is a perspective view of the front, one side and bottom of a fire detector showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view of an opposite side thereof;

FIG. 5 is a side elevational view of said one side thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is an rear elevational view thereof. 

The ornamental design for a fire detector, as shown and described. 